The characteristics of black fungus and linden wood fungus are thick and fleshy, soft, tender and fine, chewy and bouncy, with an excellent rehydration rate. Each pound of dried black fungus can be rehydrated for 14 to 15 pounds. It is naturally watered with rainwater, free of sulfur, sulfur, pesticides and pollution. It is a pure natural green food with good taste and rich nutrition. All black fungus is carefully selected by hand.